**Exhibit31.1**

I, Dr. Gioacchino DeChirico, certify that:

1.     I have reviewed this quarterly report on Form 10-Q of Immucor, Inc.;

2.               Based on myknowledge, this report does not contain any untrue statement of a material factor omit to state a material fact necessary to makethe statements made, in light of the circumstances under which such statements were made, not misleading with respect to the periodcovered by this report;

3.               Based on myknowledge, the financial statements, and other financial information includedin this report, fairly present in all material respects the financialcondition, results of operations and cash flows of theregistrant as of, and for, the periods presented in this report;

4.               The registrant’s other certifyingofficer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined inExchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financialreporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f) for the registrant and we have:

a)              Designed such disclosurecontrols and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that materialinformation relating to the registrant,including its consolidated subsidiaries, is made known to us by others withinthose entities, particularly during the period in which thisreport is being prepared;

b)             Designed such internal control overfinancial reporting, or caused such internal control over financial reportingto be designed under our supervision, to provide reasonable assurance regardingthe reliability of financial reporting and the preparation of financialstatements for external purposes in accordance with generally acceptedaccounting principles;

c)              Evaluated the effectiveness ofthe registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosurecontrols and procedures, as of the end of theperiod covered by this report based on such evaluation; and

d)             Disclosed in this report any change in theregistrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’sfourth fiscal quarter in the case of anannual report) that has materially affected, or is reasonably likely tomaterially affect, the registrant’s internal controlover financial reporting; and

5.               The registrant’s other certifying officer(s) and I have disclosed, based onour most recent evaluation of internal controlover financial reporting, to the registrant’s auditors and the audit committeeof the registrant’s board of directors (orpersons performing the equivalent functions):

a)              All significant deficienciesand material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affectthe registrant’s ability to record, process,summarize and report financial information; and

b)             Any fraud, whether or notmaterial, that involves management or other employees who have a significant role in the registrant’s internal control over financialreporting.

Date: October 4, 2007

 
|  /s/ Dr.  Gioacchino DeChirico                    |   |
|--------------------------------------------------------|--------|
| Dr.  Gioacchino DeChirico,                             |
| Chief  Executive Officer (Principal Executive Officer) |

 

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